thread
/θrɛd/
Very CommonA chain of connected messages or posts grouped around a single topic on a forum, social platform, or messaging app.
On X, 'thread' often means a deliberately structured multi-tweet essay. On forums it means any ongoing discussion, regardless of length.
Real-world examples4 examples
| # | Example | What it means | Source |
|---|---|---|---|
| 01 | this thread explains the whole situation better than any news article | A social media post chain covers the topic more clearly than mainstream coverage. | x, 2023 |
| 02 | someone needs to screenshot this thread before it gets deleted | The posts might disappear and should be saved. | x, 2024 |
| 03 | just found a 400 reply thread from 2011 about this exact debate | An old, very long forum discussion on the same topic already exists. | |
| 04 | i wrote a thread, link in bio | The person composed a multi-part post series and is directing people to it. | x, 2022 |
Use it when
- Pointing to a long chain of connected posts or tweets.
- Sharing a multi-part explainer someone wrote on social media.
- Referring to a specific discussion on a forum or subreddit.
- Describing a group chat or DM conversation.
Do not use it when
- You mean a single standalone post with no replies.Use “post” instead.
Thread vs forum post
thread
A thread is the full conversation, from the first message to the last reply.
VS
forum-post
A forum post is one individual message inside that conversation.
Origin and context
Borrowed from the physical image of a thread connecting related items. Used in email and Usenet since the 1980s to describe chains of replies. Became mainstream with web forums and eventually Twitter.
- First seen
- 1980s
- Confidence
- high
Cite this page
Use this stable URL to reference the entry.
https://slang.fyi/threadUpdated: 2026-08-28License: CC BY 4.0